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Sportsmanship. Courage. Integrity.

The Mid-Atlantic Collegiate Umpires (MAC) is a premier NCAA collegiate association of baseball umpires. MAC contracts and manages exclusively more than 100 colleges and collegiate level baseball programs in the Mid-Atlantic region.

MAC trains develop and evaluate top qualified umpires to work NCAA Division I, II, and III, NAIA, and NJCAA. We are dedicated to providing our umpires the highest-quality training programs and career development available anywhere. Each year approximately 300 umpires attend one of our MAC-UCU sponsored camps and clinics.

Our clients are provided with the best administration and officiating coverage known in the industry. We fairly and impartially officiate all athletic contests we are privileged to work. We instill in our officials the highest levels of sportsmanship, courage, and integrity. #BeABetterUmpire

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